Protractor
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Ingenium,
1995.1303.001
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- OBJECT TYPE
- SYNTHETIC
- DATE
- 1960
- ARTIFACT NUMBER
- 1995.1303.001
- MANUFACTURER
- C-Thru Ruler Co.
- MODEL
- 376
- LOCATION
- Hartford, Connecticut, United States of America
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 2
- AKA
- N/A
- Patents
- N/A
- General Description
- Cellulose nitrate protractor
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 15.3 cm
- Width
- 8.5 cm
- Height
- N/A
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Mathematics
- Category
- Drawing & measuring instruments
- Sub-Category
- N/A
Manufacturer
- AKA
- C Thru
- Country
- United States of America
- State/Province
- Connecticut
- City
- Hartford
Context
- Country
- Worldwide
- State/Province
- Unknown
- Period
- AVAILABLE FOR USE WORLDWIDE
- Canada
-
THESE BELONGED AND WERE USED BY JAMES WATSON WHOSE CAREER INCLUDED EMPLOYMENT BY VARIOUS CANADIAN SHIPYARDS AND THE FEDERAL GOVT. - Function
-
USED TO MEASURE AND DRAW ANGLES WITH PRECISION - Technical
-
PART OF THE BASIC KIT OF ANY PROFESSIONAL DRAFTSMAN. THESE HAVE BEEN REPLACED IN DRAFTING BY CAD (COMPUTER AIDED DESIGN) SOFTWARE PROGRAMS WHICH MEANS HAND DRAFTING IS RARELY DONE - Area Notes
-
Unknown
Details
- Markings
- .1 PRINTED NEAR BOTTOM: 'C-THRU RULER COMPANY/ Hartford, Conn., U.S.A./ No. 376/ C/ Thru/ TRADE MARK [LOGO]'/ TWO SCALES MARKED AROUND OUTER CURVED EDGE: 0 TO 180 IN 20THS/.2 PRINTED ON BOTTOM: '[?]DE IN ENGLAND'/ TWO SCALES MARKED AROUND OUTER CURVED EDGE: 10 TO 180 IN 20THS
- Missing
- N/A
- Finish
- TRANSPARENT WITH BLACK PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
C-Thru Ruler Co., Protractor, after 1960, Artifact no. 1995.1303, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/item/1995.1303.001/
FEEDBACK
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